mirror of
https://github.com/bblanchon/ArduinoJson.git
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92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
// Copyright Benoit Blanchon 2014-2016
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// MIT License
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//
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// Arduino JSON library
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// https://github.com/bblanchon/ArduinoJson
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// If you like this project, please add a star!
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#pragma once
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#include "Configuration.hpp"
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#include "JsonVariantBase.hpp"
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#include "TypeTraits/ConstRefOrConstPtr.hpp"
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#include "TypeTraits/EnableIf.hpp"
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable : 4522)
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#endif
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namespace ArduinoJson {
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template <typename TString>
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class JsonObjectSubscript
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: public JsonVariantBase<JsonObjectSubscript<TString> > {
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// const String&
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// const std::string&
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// const char*
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typedef typename TypeTraits::ConstRefOrConstPtr<TString>::type TStringRef;
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public:
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FORCE_INLINE JsonObjectSubscript(JsonObject& object, TStringRef key)
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: _object(object), _key(key) {}
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FORCE_INLINE JsonObjectSubscript<TString>& operator=(
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const JsonObjectSubscript<TString>& src) {
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_object.set(_key, src);
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return *this;
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}
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template <typename T>
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FORCE_INLINE JsonObjectSubscript<TString>& operator=(const T& src) {
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_object.set(_key, src);
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return *this;
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}
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FORCE_INLINE bool success() const {
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return _object.containsKey(_key);
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}
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template <typename TValue>
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FORCE_INLINE typename Internals::JsonVariantAs<TValue>::type as() const {
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return _object.get<TValue, TStringRef>(_key);
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}
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template <typename TValue>
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FORCE_INLINE bool is() const {
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return _object.is<TValue>(_key);
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}
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template <typename TValue>
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FORCE_INLINE bool set(const TValue& value) {
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return _object.set(_key, value);
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}
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template <typename TValue>
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FORCE_INLINE bool set(const TValue& value, uint8_t decimals) {
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return _object.set(_key, value, decimals);
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}
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private:
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JsonObject& _object;
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TStringRef _key;
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};
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#if ARDUINOJSON_ENABLE_STD_STREAM
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template <typename TString>
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inline std::ostream& operator<<(std::ostream& os,
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const JsonObjectSubscript<TString>& source) {
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return source.printTo(os);
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}
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#endif
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template <typename TString>
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inline JsonObjectSubscript<TString> JsonObject::operator[](const TString& key) {
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return JsonObjectSubscript<TString>(*this, key);
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}
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} // namespace ArduinoJson
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif
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